[EFL] Change efl style local variables with WebKit coding Style.

[EFL] Change efl style local variables with WebKit coding Style.
https://bugs.webkit.org/show_bug.cgi?id=69988

Reviewed by Antonio Gomes.

Change *sd* variable name with *smartData*. Some variables were changed by Bug 69988.

* ewk/ewk_frame.cpp:
(ewk_frame_view_get):
(ewk_frame_uri_set):
(ewk_frame_uri_get):
(ewk_frame_contents_size_get):
(ewk_frame_load_document_finished):
(ewk_frame_load_error):
(ewk_frame_title_set):
(ewk_frame_uri_changed):
(ewk_frame_editor_client_selection_changed):
(ewk_frame_editor_client_contents_changed):
(EWKPrivate::coreFrame):
* ewk/ewk_view.cpp:
(_ewk_view_smart_pre_render_region):
(_ewk_view_smart_pre_render_relative_radius):
(_ewk_view_smart_pre_render_cancel):
(_ewk_view_smart_disable_render):
(_ewk_view_smart_enable_render):
(EWKPrivate::corePage):
* ewk/ewk_view_single.cpp:
(_ewk_view_single_smart_add):
(_ewk_view_single_smart_resize):

git-svn-id: https://svn.webkit.org/repository/webkit/trunk@98190 268f45cc-cd09-0410-ab3c-d52691b4dbfc